000 00279nam a2200121 a 4500
003 EIA
001 8054
942 _02
_2ddc
_cBK
245 _aIntroductory soil science :
_blaboratory manual
260 _c1999
008 141112s1999 ck r 000 u spa d
082 _a634.1
_bD584
999 _c7661
_d7661